It is a vehicle weighing less than 3 tonnes (car or van) whose greenhouse gas emissions are equal to or less than 60 grams per kilometre of CO2 and if its energy source is one of the following: Electricity (EL), Hydrogen (H2), Hydrogen-Rechargeable Electricity (HE), Hydrogen-Non-Rechargeable Electricity (HH) and Compressed Air (AC).
In particular, the French government has introduced a greening obligation for fleets of more than 20 vehicles, which will have to include 50% of ULE buses from 2025 and 40% of ULE cars and LCVs from 2030.
The European Union has introduced new regulations on CO2 emissions from new passenger cars, light commercial vehicles and heavy commercial vehicles. By 2035, a a complete ban on sales of new combustion-powered light vehicles and LCVs will be introduced. For heavy vehicles, the regulations stipulate 90% reduction in CO2 emissions from 2040.